3D study of overload effects on fatigue crack growth through X-ray tomography and image correlation
Résumé
By examining fatigue crack growth with 3D computed tomography, and computing corresponding displacement fields with digital volume correlation, the effects of a single tensile overload on crack growth and behaviour are investigated. The experimental procedure consists in subjecting corner-notched AlSi dog-bone type samples to cyclic tensile loading in-situ at a synchrotron X-ray tomography beamline.
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